DE69618831D1 - ECC-geschützte Speicherorganisation mit Lese-Änderungs-Schreib-Pipelinezugriff - Google Patents

ECC-geschützte Speicherorganisation mit Lese-Änderungs-Schreib-Pipelinezugriff

Info

Publication number
DE69618831D1
DE69618831D1 DE69618831T DE69618831T DE69618831D1 DE 69618831 D1 DE69618831 D1 DE 69618831D1 DE 69618831 T DE69618831 T DE 69618831T DE 69618831 T DE69618831 T DE 69618831T DE 69618831 D1 DE69618831 D1 DE 69618831D1
Authority
DE
Germany
Prior art keywords
data block
ecc
read
logic unit
change
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69618831T
Other languages
English (en)
Other versions
DE69618831T2 (de
Inventor
Chien Chen
Yizhi Lu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69618831D1 publication Critical patent/DE69618831D1/de
Application granted granted Critical
Publication of DE69618831T2 publication Critical patent/DE69618831T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
    • G06F11/1056—Updating check bits on partial write, i.e. read/modify/write
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1064—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in cache or content addressable memories
DE69618831T 1995-03-03 1996-03-01 ECC-geschützte Speicherorganisation mit Lese-Änderungs-Schreib-Pipelinezugriff Expired - Lifetime DE69618831T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/397,912 US5687353A (en) 1995-03-03 1995-03-03 Merging data using a merge code from a look-up table and performing ECC generation on the merged data

Publications (2)

Publication Number Publication Date
DE69618831D1 true DE69618831D1 (de) 2002-03-14
DE69618831T2 DE69618831T2 (de) 2002-08-29

Family

ID=23573190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618831T Expired - Lifetime DE69618831T2 (de) 1995-03-03 1996-03-01 ECC-geschützte Speicherorganisation mit Lese-Änderungs-Schreib-Pipelinezugriff

Country Status (4)

Country Link
US (1) US5687353A (de)
EP (1) EP0730228B1 (de)
AT (1) ATE212739T1 (de)
DE (1) DE69618831T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446224B1 (en) 1995-03-03 2002-09-03 Fujitsu Limited Method and apparatus for prioritizing and handling errors in a computer system
US6343343B1 (en) * 1998-07-31 2002-01-29 International Business Machines Corporation Disk arrays using non-standard sector sizes
US7051264B2 (en) * 2001-11-14 2006-05-23 Monolithic System Technology, Inc. Error correcting memory and method of operating same
US20050103888A1 (en) * 2003-11-19 2005-05-19 Corbett J. C. Sprinkler spacer and stake system
US7797609B2 (en) * 2004-08-19 2010-09-14 Unisys Corporation Apparatus and method for merging data blocks with error correction code protection
CN100399287C (zh) * 2004-10-27 2008-07-02 威盛电子股份有限公司 数据错误检查方法及相关装置
US7392456B2 (en) * 2004-11-23 2008-06-24 Mosys, Inc. Predictive error correction code generation facilitating high-speed byte-write in a semiconductor memory
US7904789B1 (en) * 2006-03-31 2011-03-08 Guillermo Rozas Techniques for detecting and correcting errors in a memory device
JP5010271B2 (ja) * 2006-12-27 2012-08-29 富士通株式会社 エラー訂正コード生成方法、およびメモリ制御装置
US8645796B2 (en) 2010-06-24 2014-02-04 International Business Machines Corporation Dynamic pipeline cache error correction
WO2016095191A1 (en) 2014-12-19 2016-06-23 Micron Technology, Inc. Apparatuses and methods for pipelining memory operations with error correction coding
US10394647B2 (en) * 2017-06-22 2019-08-27 International Business Machines Corporation Bad bit register for memory
KR102456582B1 (ko) * 2017-12-19 2022-10-20 에스케이하이닉스 주식회사 메모리 시스템 및 메모리 시스템의 동작 방법
CN109800184A (zh) * 2018-12-12 2019-05-24 平安科技（深圳）有限公司 针对小块输入的缓存方法、系统、装置及可存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002373A1 (en) * 1988-08-30 1990-03-08 Unisys Corporation Merge select decode checking
JP2993975B2 (ja) * 1989-08-23 1999-12-27 株式会社リコー 中央演算処理装置
US5058116A (en) * 1989-09-19 1991-10-15 International Business Machines Corporation Pipelined error checking and correction for cache memories
US5295080A (en) * 1990-08-06 1994-03-15 Tektronix, Inc. Method of operating a buffer memory to provide a trigger pattern by storing a trigger code in preselected areas of the buffer memory
US5313475A (en) * 1991-10-31 1994-05-17 International Business Machines Corporation ECC function with self-contained high performance partial write or read/modify/write and parity look-ahead interface scheme
US5459842A (en) * 1992-06-26 1995-10-17 International Business Machines Corporation System for combining data from multiple CPU write requests via buffers and using read-modify-write operation to write the combined data to the memory
US5452429A (en) * 1993-11-17 1995-09-19 International Business Machines Corporation Error correction code on add-on cards for writing portions of data words
US5488691A (en) * 1993-11-17 1996-01-30 International Business Machines Corporation Memory card, computer system and method of operation for differentiating the use of read-modify-write cycles in operating and initializaiton modes
US5471597A (en) * 1993-12-23 1995-11-28 Unisys Corporation System and method for executing branch instructions wherein branch target addresses are dynamically selectable under programmer control from writable branch address tables

Also Published As

Publication number Publication date
ATE212739T1 (de) 2002-02-15
EP0730228A1 (de) 1996-09-04
EP0730228B1 (de) 2002-01-30
US5687353A (en) 1997-11-11
DE69618831T2 (de) 2002-08-29

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